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If the boiling point of the pure of (S)-(-)-alpa-phenylethylamine is 186-188 degrees Celsius, what is the bp of its enantiomer?What optical rotation would be observed if 3.72 g of (S)-amine were mixed with 3.72 g of the (R)-amine?
Pressure was exerted with a piston on molten naphthalene at 95 degrees Centigrade. The vapor pressure of naphthalene under 1.0 bar is 2.0 kPa and its density is 0.962 g cm-3. What is its vapor pressure when the pressure on the liquid is 15 MPa?
The dialyzing bag is then immersed in distilled water. Which of the following actions should be taken to remove the most salt from the mixture? Leave the bag in the distilled water for an extended period of time, Replace the dialyzing bag periodic..
Vinegar is an aqueous solution of acetic acid. By law, it must contain 4 g acetic acid per 100 ml solution. What approximate volume of 0.10 M of NaOH would be neededto titrate a 15.00 ml aliquot of commercially availabe vinegar?
Nitrogen reacts with hydrogen according to the following equation.
How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)
A mixture of 0.10 mol of NO, 0.050 mol of H2, and 0.10 mol of H2O is placed in a 1.0- L vessel at 300 K . The following equilibrium is established:
predict whether an aqueous solution of ammonium bicarbonate would be acidic, basic or netural. explain your answer, and support it with real data.
Which is the limiting reagent in the reaction between Copper sulfate pentahydrate and ammonia?
Calculate the half life of N2O5 and B. how long does it take for the N2O5 concentration to drop one tenth of its original value. * I believe the half life is 10,000 seconds for part A. But I am having trouble with part B.
Calculate ?Ssys (in Joules) when 20.0 moles of oxygen gas undergo an isothermal reversible expansion from 30.0 L to 80.0 L.
What is the concentration of the AgNO3 solution. How many grams of AgNO3 are precipitated.
suppose you have 10 ml of 0.10m sucrose solution. you add 90 ml of water to the solution.Do the number of sucrose change? Does the molarity change?
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